Solutions architect · AI agent integrator

Theophilus Rex Danquah

Cybersecurity, AI & multi-agent specialist.

10+ years shipping enterprise apps, cloud systems, and integrations with security in mind. Currently integrating AI agents at BKEY. Founder of Don't Forget Dad and HomeKare; co-founder of Apex Meta. Previously at Telecel Ghana and Vodafone Ghana.

Theophilus Rex Danquah portrait

What I use

Skills & tools

  • FlutterFlutter
  • DartDart
  • TypeScriptTypeScript
  • Node.jsNode.js
  • Next.jsNext.js
  • NuxtNuxt
  • ReactReact
  • VueVue
  • PythonPython
  • JavaJava
  • FirebaseFirebase
  • SupabaseSupabase
  • PostgreSQLPostgreSQL
  • AzureAzure
  • AWSAWS
  • DockerDocker
  • OpenAIOpenAI
  • GitGit

Selected work

Things I worked on

Firestore Query Studio

Creator · Desktop, AI

Local-first Electron desktop app for exploring Google Cloud Firestore in plain English. The LLM's output must validate against a Zod QueryPlan schema before anything touches Firestore; execution runs through the Firebase Admin SDK or emulator. Sortable/exportable results, explain tab, AI insights, query history, and composite-index links. BYOK, OpenAI-compatible HTTP or Cursor CLI.

  • Electron
  • TypeScript
  • React 19
  • Firestore
  • Firebase Admin
  • Zod
  • LLM
  • Tailwind

Don't Forget Dad

Founder · Mobile, AI

Family medication-reminder app with shared caregiving, missed-dose visibility, and an in-app multi-agent assistant. Orchestrator routes to focused agents for meds, schedules, history, drug Q&A, label-photo parsing, journal, and weekly summaries. Gemini via Firebase AI with Ollama fallback; approvals on sensitive steps; agent calls logged.

  • Flutter
  • Firebase
  • Genkit
  • Gemini
  • Ollama
  • Cloud Functions

HomeKare

Founder · Mobile, Marketplace

On-demand babysitting & home-care marketplace for homeowners, vetted KareGivers, and agencies. Discovery, bookings, interviews, calendar, tasks, live chat, ratings, maps, and KareBot (OpenAI). Role model: homeowner, caregiver, agency, admin.

  • Flutter
  • Firebase
  • GetX
  • OpenAI

Apex Meta

Co-founder

Managed services and project IT consultancy. Implementation-partner work, steady-state ops, and clean go-live handover on long programmes.

  • Managed Services
  • Consulting
  • Delivery

Telecel Ghana Sales App

Engineer · Built

Official Flutter sales-force app for Telecel Ghana: FTTH and 5G acquisition, merchant and retail signup, trade itinerary and territory planning, tasks and material requests, OTP login with role-based access, maps, and device-integrity checks.

  • Flutter
  • Dart
  • RBAC
  • OTP Auth
  • Maps

GAPhealth

Engineer

Digital health & telehealth platform for patients, providers, health organisations, and researchers. Encrypted cloud records, mobile and web clients, hospital/clinic workflows, local payments, and researcher tooling.

  • Telehealth
  • Cloud
  • Mobile + Web
  • Payments

BMONI

Engineer

Multi-currency digital wallet with bank-like fintech services via licensed partners. KYC-heavy signup, tight auth, cross-border transfers, and regulated flows.

  • Fintech
  • Wallets
  • KYC
  • Cross-border

Vodafone Queue Management

Solutions Analyst

Led the implementation of a queue management system at Vodafone Ghana, cutting throughput, wait times, and front-desk load. Saved the company £40,000 in operating cost.

  • Java
  • Flutter
  • Enterprise
  • Integration

Lyf Arena

Mobile developer

Wellness application for walks, events, routines, retreats, and group challenges. Apple/Android wellness SDKs integrated for step tracking and rewards.

  • Flutter
  • HealthKit
  • Rewards

Career

Experience

  1. 2025 - Present

    AI agent integrator BKEY

    • Wire AI agents into live products, developer workflows, and guardrails.
    • Multi-agent architectures (central router + task-specific agents), tool-calling patterns, and governed-AI behaviour in production.
  2. Nov 2023 - Present

    Accra, Ghana

    Solutions Specialist, Sales Support, Capability & Channel Telecel Ghana

    • Acting Operations Manager (1 month): oversaw solutions, trade channel, projects, and logistics.
    • Built Telecel Ghana's official Flutter sales app, covering FTTH/5G acquisition, merchant signup, territory planning, OTP + RBAC.
    • Spearheaded initiatives that improved system uptime and high availability, resulting in +30% MoM revenue.
    • Led cross-functional resolution of complex integration issues across PaaS, SaaS, and COTS applications.
  3. Oct 2018 - Nov 2023

    Accra, Ghana

    Solutions Analyst Vodafone Ghana

    • Led the implementation of a queue management system, saving Vodafone Ghana £40,000.
    • Developed and maintained cross-platform mobile apps for iOS and Android with Flutter and Java.
    • Implemented CI/CD processes and designed scalable software architectures.
    • Optimised databases and wrote complex queries for analysis and retrieval.

Education

  • MSc, Digital Forensics & Cyber SecurityGhana Institute of Management and Public Administration (GIMPA)Sept 2023 - Sept 2024
  • Bachelor of ScienceGhana Institute of Management and Public Administration (GIMPA)Sept 2013 - May 2017

Certifications

  • Microsoft Azure Solutions Architect Expert
  • Microsoft Azure Administrator Associate
  • Microsoft Azure Infrastructure Solutions
  • CompTIA Security+

Recognition

  • Vodafone Top Talent (2019-2021, 2022-2023)
  • Vodafone Top Performer (2021-2022, 2024-2025)
  • Vodacom Hackathon 2022

Contact

Let's talk

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